Broaching

                            Broaching

 

Figure 24.20  (a)  Typical parts made by internal broaching.  (b)  Parts made by surface broaching.  Heavy lines indicate broached surfaces.  (c)  Vertical broaching machine.  Source:  (a) and (b)  Courtesy of General Broach and Engineering Company.  (c)  Courtesy of Ty Miles, Inc.

       

                     Broach Geometry

 

          Figure 24.21  (a)  Cutting action of a broach showing various features.  (b)  Terminology for a broach. 

      

         Chip breaker Features on Broaches 

                      Figure 24.22 Chip breaker features on (a) a flat broach and (b) a round broach.

                          

                          Pull-Types Internal Broach

 

Figure 24.23  Terminology for a pull-type internal broach used for enlarging long holes.

Part with Internal Splines Made by Broaching

 

Figure 24.24  Example of a part with internal splines produced by broaching.

Sawing Operations

Figure 24.25  Examples of various sawing operations.

Saw Teeth

     Figure 24.26(a)  Terminology for saw teeth.  (b)  Types of tooth sets on saw teeth staggered to provide clearance for the saw blade to prevent binding during sawing.